http://www.unitedoutfittersassociation.com/forum/(c) United Outfitters Association - FORAHUNT.com30They are called Tracer Nocks Monti. I have tried them also and they seemed to work well. One issue I had was that they needed to be shutdown if not used and restarted when I wanted to use them. That and having to go through many, many pkgs to find a sethttp://www.unitedoutfittersassociation.com/forum/fb.ashx?m=21595Wed, 01 Feb 2012 20:17:42 GMTya these units are the way to go compared to luminocks I havn't seen or tried the nocks that turn off & on by a magnet yet thou...any of you guys tried them yet?http://www.unitedoutfittersassociation.com/forum/fb.ashx?m=21593Tue, 31 Jan 2012 06:45:01 GMTHey, I agree. From a reliability standpoint, Nocturnals are foolproof. They work every time you shoot. What I have found, though, is that with a pass-through shot, you often get blood inside the little switch and you can't turn them off. If you could runhttp://www.unitedoutfittersassociation.com/forum/fb.ashx?m=21485Fri, 14 Oct 2011 11:33:12 GMTI have used just about every lighted nock out there and have settled on the nocturnals. They are about as fullproof as they come. Never have had one "NOT" light when shot. Well last weekend at 7:15am, I shot a wierd spike and when I got to where he jumpehttp://www.unitedoutfittersassociation.com/forum/fb.ashx?m=21456Sun, 09 Oct 2011 16:29:51 GMT